Rubber recycling process and product

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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Details

524274, 524280, 524290, 524322, 521 41, 521 42, 521 435, 521 445, C08J 702, C08L 906

Patent

active

053978250

ABSTRACT:
An active filler composition utilizing scrap rubber, such as automobile tires, as a main or primary ingredient is used in the treatment, recycling, and manufacture of various rubber and plastic articles. A chemical plasticizer and binding agent is used in the production of the composition to plasticize, swell, and soften the scrap rubber. The filler composition is a homogeneous blend of from about 40 to 95 parts by weight of cured rubber particles and from about 5 to 60 parts by weight of the liquid plasticizer and binder. The active filler composition can be further compounded with materials such as polyethylene, polyethylene-terephthallate (PET), polyurethanes, urethanes, polyisocurates, polyacrylics, polyvinylchloride (PVC), and epoxies, to form a composite material for combining with still other materials to impart elastomeric properties. The product and process are particularly suitable for use with cryogenically produced rubber and provides an efficient method for recycling scrap rubber tires and converting them into useful commercial products.

REFERENCES:
patent: 2423033 (1947-06-01), Ree Vilma le Beau
patent: 4025990 (1977-05-01), Lovette, Jr.
patent: 4049588 (1977-09-01), Lee et al.
patent: 4244841 (1981-01-01), Frankland
patent: 4579871 (1986-04-01), Linden et al.

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